A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 6620-01-440-9810
NSN 5945-01-424-7622
NSN 6130-01-341-6446
NSN 6650-01-485-3444
NSN 2925-01-197-7864
NSN 5998-01-538-3580
NSN 5975-01-410-7647
NSN 7035-01-080-8742
NSN 5990-00-288-1820
NSN 5915-01-199-7176
NSN 5996-01-624-7629
NSN 6620-00-858-1043